A replaceable device designed to remove dust, pollen or other foreign matter from the air passing through it. The removal of particles is accomplished by porous, fibrous or shredded material (metallic or non-metallic) which is loosely woven or matted, the shape of which may be maintained by stiffening or binding material. It is designed to fit into a filter element, air conditioning or for direct application to air conditioners, ventilation systems, hot air furnaces, and electrical and electronic equipment which have retaining devices. It may be furnished in custom size form or in a continuous length. Excludes filtering pad, air cooler; and filtering roll, air conditioning. Excludes bulk materials not specifically designed for filtering. See also insulation blanket, thermal; plastic material, cellular; rubber sheet, cellular.
NSN 5910-01-106-0699
NSN 5895-00-868-1379
NSN 5965-00-594-3115
NSN 6240-00-548-3992
NSN 4140-01-030-1298
NSN 6130-00-246-2038
NSN 5855-01-210-0503
NSN 5855-00-058-1293
NSN 5999-01-542-5150
NSN 5999-01-315-3306
NSN 5925-01-295-2842
NSN 5925-01-462-6069